You can have a look at this demo of Meter Chart Portlet. Unfortunately we do not offer these portlets for free downloading yet, did not have enough time to put all licensing in place and they are only supplied with custom projects. All these BI Charts are using jfreechart library...

You can have a look at this demo of Meter Chart Portlet. Unfortunately we do not offer these portlets for free downloading yet, did not have enough time to put all licensing in place and they are only supplied with custom projects. All these BI Charts are using jfreechart library...

You can have a look at this demo of Meter Chart Portlet. Unfortunately we do not offer these portlets for free downloading yet, did not have enough time to put all licensing in place and they are only supplied with custom projects. All these BI Charts are using jfreechart library...

You implement it in the following way:Look at the data you have got. Look at the manual/API of highchart.Look at the demo.Play around with the demo (there is a jfiddle button) to get an idea how it works. http://www.highcharts.com/demo/gauge-speedometer

I will not give you any code, as there are tons of examples, and there will be no learning if you just copy paste code.